function renderHTML(url) {
  switch (url) {
    case '/home':
      return `<html>
    <div>home页面</div>
      </html>`
    case '/home/api':
      return `{name: 'zzz'}`
    case '/list':
      return `<html>
    <b>hello world</b>
    <div>list页面</div>
      </html>`
    case '/list/api':
      return `["list1","list2","list3"]`
    default:
      return `<html>
    <div>not found</div>
      </html>`
  }

}

exports.renderHTML = renderHTML